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POHiding DateTimePicker's text and Usercontrol resize
 

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  1. POHiding DateTimePicker's text and Usercontrol resize
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    <p>I have a user control which has a DateTimePicker overlaid with the single line text box(Tb)<br> covering the text part of DateTimePicker. The textbox Tb (<strong>green</strong>) is anchored (L T R B). </p> <p><img src="https://i.stack.imgur.com/BcN1h.png" alt="Datepicker overlaid with textbox"></p> <p>The problem comes when the usercontrol is resized.<br> The overlaid datetimepicker shows up behind the text Tb.</p> <p><img src="https://i.stack.imgur.com/pKtxB.png" alt="The overlaid datetimepicker shows up behind the green textbox Tb."></p> <p>Currently the user control is 242(W) x 20(H) . Problems shows up when control is resized below 100 (Width) .</p> <p>I tried the blank the text with CustomFormat set to " " but the user control supports many of the datetimepicker functionalities so that was not an option.</p> <p>I tried to set the minimum size on the user control but that doesn't work too.</p> <p><strong>Edit:</strong><br> The control is already in use in few applications.In those applications the minimum size of the control is 90X20 whereas the minimum size which we set now is 97x20.<br> Will VS designer size the existing controls to 97x20 after making the change?<br> How to achieve this effect(re-size to 97x20)? </p> <p><strong>Edit</strong> ****code after adding minimum size****</p> <pre><code>namespace WindowsFormsApplication1 { partial class CDatePicker { private System.ComponentModel.IContainer components = null; protected override void Dispose(bool disposing) { if (disposing &amp;&amp; (components != null)) { components.Dispose(); } base.Dispose(disposing); } #region Component Designer generated code private void InitializeComponent() { this.splitContainer1 = new System.Windows.Forms.SplitContainer(); this.datepanel = new System.Windows.Forms.Panel(); this.datetxt = new System.Windows.Forms.TextBox(); this.dateTimePicker1 = new System.Windows.Forms.DateTimePicker(); this.timepanel = new System.Windows.Forms.Panel(); this.timetxt = new System.Windows.Forms.TextBox(); ((System.ComponentModel.ISupportInitialize)(this.splitContainer1)).BeginInit(); this.splitContainer1.Panel1.SuspendLayout(); this.splitContainer1.Panel2.SuspendLayout(); this.splitContainer1.SuspendLayout(); this.datepanel.SuspendLayout(); this.timepanel.SuspendLayout(); this.SuspendLayout(); // // splitContainer1 // this.splitContainer1.Dock = System.Windows.Forms.DockStyle.Fill; this.splitContainer1.Location = new System.Drawing.Point(0, 0); this.splitContainer1.Name = "splitContainer1"; // // splitContainer1.Panel1 // this.splitContainer1.Panel1.Controls.Add(this.datepanel); this.splitContainer1.Panel1MinSize = 105; // // splitContainer1.Panel2 // this.splitContainer1.Panel2.Controls.Add(this.timepanel); this.splitContainer1.Size = new System.Drawing.Size(236, 20); this.splitContainer1.SplitterDistance = 178; this.splitContainer1.SplitterWidth = 1; this.splitContainer1.TabIndex = 0; // // datepanel // this.datepanel.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) | System.Windows.Forms.AnchorStyles.Left) | System.Windows.Forms.AnchorStyles.Right))); this.datepanel.Controls.Add(this.datetxt); this.datepanel.Controls.Add(this.dateTimePicker1); this.datepanel.Location = new System.Drawing.Point(0, 0); this.datepanel.Margin = new System.Windows.Forms.Padding(0); this.datepanel.Name = "datepanel"; this.datepanel.Size = new System.Drawing.Size(175, 20); this.datepanel.TabIndex = 0; // // datetxt // this.datetxt.BackColor = System.Drawing.Color.Gainsboro; this.datetxt.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle; this.datetxt.Location = new System.Drawing.Point(0, 0); this.datetxt.MinimumSize = new System.Drawing.Size(60, 20); this.datetxt.Name = "datetxt"; this.datetxt.Size = new System.Drawing.Size(71, 20); this.datetxt.TabIndex = 3; this.datetxt.Text = "date"; // // dateTimePicker1 // this.dateTimePicker1.Dock = System.Windows.Forms.DockStyle.Fill; this.dateTimePicker1.Format = System.Windows.Forms.DateTimePickerFormat.Short; this.dateTimePicker1.Location = new System.Drawing.Point(0, 0); this.dateTimePicker1.Margin = new System.Windows.Forms.Padding(0); this.dateTimePicker1.MinimumSize = new System.Drawing.Size(65, 20); this.dateTimePicker1.Name = "dateTimePicker1"; this.dateTimePicker1.Size = new System.Drawing.Size(175, 20); this.dateTimePicker1.TabIndex = 2; this.dateTimePicker1.Value = new System.DateTime(2012, 11, 15, 0, 0, 0, 0); // // timepanel // this.timepanel.Controls.Add(this.timetxt); this.timepanel.Dock = System.Windows.Forms.DockStyle.Fill; this.timepanel.Location = new System.Drawing.Point(0, 0); this.timepanel.Margin = new System.Windows.Forms.Padding(0); this.timepanel.Name = "timepanel"; this.timepanel.Size = new System.Drawing.Size(57, 20); this.timepanel.TabIndex = 0; // // timetxt // this.timetxt.Dock = System.Windows.Forms.DockStyle.Fill; this.timetxt.Location = new System.Drawing.Point(0, 0); this.timetxt.Name = "timetxt"; this.timetxt.Size = new System.Drawing.Size(57, 20); this.timetxt.TabIndex = 1; this.timetxt.Text = "time"; this.timetxt.TextAlign = System.Windows.Forms.HorizontalAlignment.Center; // // CDatePicker // this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F); this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font; this.AutoSize = true; this.Controls.Add(this.splitContainer1); this.MaximumSize = new System.Drawing.Size(236, 20); this.MinimumSize = new System.Drawing.Size(100, 20); this.Name = "CDatePicker"; this.Size = new System.Drawing.Size(236, 20); this.splitContainer1.Panel1.ResumeLayout(false); this.splitContainer1.Panel2.ResumeLayout(false); ((System.ComponentModel.ISupportInitialize)(this.splitContainer1)).EndInit(); this.splitContainer1.ResumeLayout(false); this.datepanel.ResumeLayout(false); this.datepanel.PerformLayout(); this.timepanel.ResumeLayout(false); this.timepanel.PerformLayout(); this.ResumeLayout(false); } #endregion private System.Windows.Forms.SplitContainer splitContainer1; private System.Windows.Forms.Panel datepanel; private System.Windows.Forms.TextBox datetxt; private System.Windows.Forms.DateTimePicker dateTimePicker1; private System.Windows.Forms.Panel timepanel; private System.Windows.Forms.TextBox timetxt; } } </code></pre> <p>Edit : After adding min sizes, it looks better but the calender drop down disappears<br> when the control is resized to min and the project is rebuilt..<br> Also the text box doesn't remain anchored near the calender button.. </p> <p>edit: pic added for above..calender disappears.</p> <p><img src="https://i.stack.imgur.com/Ukxn4.png" alt="date calender disappears"></p> <p><strong>Edit</strong> : Oh i missed one more thing both the date field and time field are collapsible.thats why the split container is there. Minimum size calculations must also be aware of this.(i guess 2 different min. sizes depending on visibility of time field.)</p> <p><strong>Questions:</strong> </p> <p>a) How can i prevent the usercontrol from resizing beyond certain min limit to avoid above problem? (pic1 seems to be idea size)</p> <p>b) Can i draw the datetimepicker such that the text is blanked out and we only see the<br> calender dropdown button? If so will i still need to handle resize events?</p> <p>c) How can i keep resizing the textbox so that it always covers the date text part of DTP. </p>
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    1. COWhat do you mean by *"I tried to set the minimum size on the user control but that doesnt work too"*? It should force the control to resize only to a certain minimum limit. What exactly didn't work?
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      1. USalex
    2. COFrom the Visual studio designer i had set the Minimum size on the usercontrol .. but when the control is placed on a form ,the end user can change that min size to (0,0) and then the control can be resized below the minimum size(as you see in the 2nd pic)
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    3. COCan I ask why your overlaying a textbox control on the DateTimePicker (dtp), I haven't delve down into the control but I could guess the dtp would be a textbox with a dropdown calendar control. I could be wrong but it seems like you might want to make your own usercontrol going off the dtp control - use reflector or dotpeek on the System.Windows.Forms dll
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      1. POHiding DateTimePicker's text and Usercontrol resize
      1. USJeremy Thompson
 

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