API -> GetClientRect [ Library : user32.dll, Category :

GetClientRect

Library : user32.dll Category : _CategoryNotSet

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API Description :

The GetClientRect function retrieves the coordinates of a window’s client area. The client coordinates specify the upper-left and lower-right corners of the client area. Because client coordinates are relative to the upper-left corner of a window’s client

VB Declaration :

Show Multiline Public Private

Declare Function GetClientRect Lib "user32" (ByVaL hwnd As Long, lpRect As RECT) As Long

Parameters :

· hWnd
Identifies the window whose client coordinates are to be retrieved.

· lpRect
Points to a RECT structure that receives the client coordinates. The left and top members are zero. The right and bottom members contain the width and height of the w

Return :

If the function succeeds, the return value is nonzero.

If the function fails, the return value is zero. To get extended error information, call GetLastError.

OS Requirement :

Requires Windows NT 3.1 or later
Requires Windows 95 or later

Dotnet Replacement :

System.Windows.Forms.Form.ClientRectangle