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tk_hwndtowindow(3) [osx man page]

Tk_HWNDToWindow(3)					       Tk Library Procedures						Tk_HWNDToWindow(3)

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NAME
Tk_HWNDToWindow - Find Tk's window information for a Windows window SYNOPSIS
#include <tkPlatDecls.h> Tk_Window Tk_HWNDToWindow(hwnd) ARGUMENTS
HWND hwnd (in) Windows handle for the window. _________________________________________________________________ DESCRIPTION
Given a Windows HWND window identifier, this procedure returns the corresponding Tk_Window handle. If there is no Tk_Window corresponding to hwnd then NULL is returned. KEYWORDS
Windows window id Tk Tk_HWNDToWindow(3)

Check Out this Related Man Page

Tk_CoordsToWindow(3)					       Tk Library Procedures					      Tk_CoordsToWindow(3)

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NAME
Tk_CoordsToWindow - Find window containing a point SYNOPSIS
#include <tk.h> Tk_Window Tk_CoordsToWindow(rootX, rootY, tkwin) ARGUMENTS
int rootX (in) X-coordinate (in root window coordinates). int rootY (in) Y-coordinate (in root window coordinates). Tk_Window tkwin (in) Token for window that identifies application. _________________________________________________________________ DESCRIPTION
Tk_CoordsToWindow locates the window that contains a given point. The point is specified in root coordinates with rootX and rootY (if a virtual-root window manager is in use then rootX and rootY are in the coordinate system of the virtual root window). The return value from the procedure is a token for the window that contains the given point. If the point is not in any window, or if the containing window is not in the same application as tkwin, then NULL is returned. The containing window is decided using the same rules that determine which window contains the mouse cursor: if a parent and a child both contain the point then the child gets preference, and if two siblings both contain the point then the highest one in the stacking order (i.e. the one that's visible on the screen) gets preference. KEYWORDS
containing, coordinates, root window Tk Tk_CoordsToWindow(3)
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