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    <p>Use the <a href="http://msdn.microsoft.com/en-us/library/dd391692.aspx" rel="noreferrer"><code>ITaskbarList3</code></a> interface for that, specifically its <a href="http://msdn.microsoft.com/en-us/library/dd391697.aspx" rel="noreferrer"><code>SetProgressState</code></a> and <a href="http://msdn.microsoft.com/en-us/library/dd391698.aspx" rel="noreferrer"><code>SetProgressValue</code></a> methods. Use <code>CoCreateInstance()</code> specifying <code>CLSID_TaskbarList</code> and <code>IID_ITaskbarList3</code> to access the interface.</p> <p>For example:</p> <pre><code>type ITaskbarList = interface(IUnknown) ['{56FDF342-FD6D-11D0-958A-006097C9A090}'] function HrInit: HRESULT; stdcall; function AddTab(hwnd: HWND): HRESULT; stdcall; function DeleteTab(hwnd: HWND): HRESULT; stdcall; function ActivateTab(hwnd: HWND): HRESULT; stdcall; function SetActiveAlt(hwnd: HWND): HRESULT; stdcall; end; ITaskbarList2 = interface(ITaskbarList) ['{602D4995-B13A-429B-A66E-1935E44F4317}'] function MarkFullscreenWindow(hwnd: HWND; fFullscreen: BOOL): HRESULT; stdcall; end; THUMBBUTTON = record dwMask: DWORD; iId: UINT; iBitmap: UINT; hIcon: HICON; szTip: packed array[0..259] of WCHAR; dwFlags: DWORD; end; TThumbButton = THUMBBUTTON; PThumbButton = ^TThumbButton; ITaskbarList3 = interface(ITaskbarList2) ['{EA1AFB91-9E28-4B86-90E9-9E9F8A5EEFAF}'] function SetProgressValue(hwnd: HWND; ullCompleted: ULONGLONG; ullTotal: ULONGLONG): HRESULT; stdcall; function SetProgressState(hwnd: HWND; tbpFlags: Integer): HRESULT; stdcall; function RegisterTab(hwndTab: HWND; hwndMDI: HWND): HRESULT; stdcall; function UnregisterTab(hwndTab: HWND): HRESULT; stdcall; function SetTabOrder(hwndTab: HWND; hwndInsertBefore: HWND): HRESULT; stdcall; function SetTabActive(hwndTab: HWND; hwndMDI: HWND; tbatFlags: Integer): HRESULT; stdcall; function ThumbBarAddButtons(hwnd: HWND; cButtons: UINT; pButton: PThumbButton): HRESULT; stdcall; function ThumbBarUpdateButtons(hwnd: HWND; cButtons: UINT; pButton: PThumbButton): HRESULT; stdcall; function ThumbBarSetImageList(hwnd: HWND; himl: HIMAGELIST): HRESULT; stdcall; function SetOverlayIcon(hwnd: HWND; hIcon: HICON; pszDescription: LPCWSTR): HRESULT; stdcall; function SetThumbnailTooltip(hwnd: HWND; pszTip: LPCWSTR): HRESULT; stdcall; function SetThumbnailClip(hwnd: HWND; var prcClip: TRect): HRESULT; stdcall; end; const CLSID_TaskbarList: TGUID = '{56FDF344-FD6D-11d0-958A-006097C9A090}'; TBPF_NOPROGRESS = 0; TBPF_INDETERMINATE = $1; TBPF_NORMAL = $2; TBPF_ERROR = $4; TBPF_PAUSED = $8; var TBL: ITaskbarList3; I: Integer; begin CoCreateInstance(CLSID_TaskbarList, nil, CLSCTX_INPROC, ITaskbarList3, TBL); if (TBL &lt;&gt; nil) then TBL.SetProgressState(Application.Handle, TBPF_INDETERMINATE); try for I := 0 to 100 do begin if (TBL &lt;&gt; nil) then TBL.SetProgressValue(Application.Handle, I, 100); Sleep(1000); end; finally if (TBL &lt;&gt; nil) then TBL.SetProgressState(Application.Handle, TBPF_NOPROGRESS); end; end; </code></pre>
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    1. POHow do I show progress in status/task bar button using Delphi 7?
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    1. USKen White
    1. USRemy Lebeau
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    1. POHow do I show progress in status/task bar button using Delphi 7?
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    1. VO
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      1. VTUpMod
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    1. COAny chance of some code somewhere ?
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    2. COCode has been added.
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      1. USRemy Lebeau
    3. COThanks for the code. Much appreciated. I will try this out today and let the results be known.
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