The MONITORINFO structure contains information about a display monitor.
The GetMonitorInfo function stores information in a MONITORINFO structure or a MONITORINFOEX structure.
The MONITORINFO structure is a subset of the MONITORINFOEX structure. The MONITORINFOEX structure adds a string member to contain a name for the display monitor.
C# Definition:
[StructLayout(LayoutKind.Sequential)]
internal struct MonitorInfo
{
/// <summary>
/// The size, in bytes, of the structure. Set this member to sizeof(MONITORINFO) (40) before calling the GetMonitorInfo function.
/// Doing so lets the function determine the type of structure you are passing to it.
/// </summary>
public int Size;
/// <summary>
/// A RECT structure that specifies the display monitor rectangle, expressed in virtual-screen coordinates.
/// Note that if the monitor is not the primary display monitor, some of the rectangle's coordinates may be negative values.
/// </summary>
public RectStruct Monitor;
/// <summary>
/// A RECT structure that specifies the work area rectangle of the display monitor that can be used by applications,
/// expressed in virtual-screen coordinates. Windows uses this rectangle to maximize an application on the monitor.
/// The rest of the area in rcMonitor contains system windows such as the task bar and side bars.
/// Note that if the monitor is not the primary display monitor, some of the rectangle's coordinates may be negative values.
/// </summary>
public RectStruct WorkArea;
/// <summary>
/// The attributes of the display monitor.
///
/// This member can be the following value:
/// 1 : MONITORINFOF_PRIMARY
/// </summary>
public uint Flags;
public void Init()
{
this.Size = 40;
}
}
/// <summary>
/// The RECT structure defines the coordinates of the upper-left and lower-right corners of a rectangle.
/// </summary>
/// <see cref="http://msdn.microsoft.com/en-us/library/dd162897%28VS.85%29.aspx"/>
/// <remarks>
/// By convention, the right and bottom edges of the rectangle are normally considered exclusive.
/// In other words, the pixel whose coordinates are ( right, bottom ) lies immediately outside of the the rectangle.
/// For example, when RECT is passed to the FillRect function, the rectangle is filled up to, but not including,
/// the right column and bottom row of pixels. This structure is identical to the RECTL structure.
/// </remarks>
[StructLayout(LayoutKind.Sequential)]
public struct RectStruct
{
/// <summary>
/// The x-coordinate of the upper-left corner of the rectangle.
/// </summary>
public int Left;
/// <summary>
/// The y-coordinate of the upper-left corner of the rectangle.
/// </summary>
public int Top;
/// <summary>
/// The x-coordinate of the lower-right corner of the rectangle.
/// </summary>
public int Right;
/// <summary>
/// The y-coordinate of the lower-right corner of the rectangle.
/// </summary>
public int Bottom;
}
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Notes:
If the monitor is the primary monitor the flag will be set too MONITORINFOF_PRIMARY. The declaration for MONITORINFOF_PRIMARY is
const uint MONITORINFOF_PRIMARY = 1;
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