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MonitorFromRect The MonitorFromRect function retrieves a handle to the display monitor that has the largest area of intersection with a specified rectangle.
VB4-32,5,6
Declare Function MonitorFromRect Lib "user32.dll" (ByRef lprc As RECT, ByVal dwFlags As Long) As Long |
VB.NET
System.Windows.Forms.Screen.FromRectangle |
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Operating Systems Supported |
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Requires Windows 2000 or later; Requires Windows 98 or later |
- lprc
[in] Pointer to a RECT structure that specifies the rectangle of interest in virtual-screen coordinates.
- dwFlags
[in] Determines the function's return value if the rectangle does not intersect any display monitor.
This parameter can be one of the following values.
MONITOR_DEFAULTTONEAREST
Returns a handle to the display monitor that is nearest to the rectangle.
MONITOR_DEFAULTTONULL
Returns NULL.
MONITOR_DEFAULTTOPRIMARY
Returns a handle to the primary display monitor. |
If the rectangle intersects one or more display monitor rectangles, the return value is an HMONITOR handle to the display monitor that has the largest area of intersection with the rectangle.
If the rectangle does not intersect a display monitor, the return value depends on the value of dwFlags. |
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