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java.lang.Objectcom.jniwrapper.Parameter
com.jniwrapper.Callback
com.jniwrapper.win32.ui.WindowProc
public class WindowProc
This class represents default WINDOWPROC callback. Also, it provides ability to substitute window proc. of a specified window to enable custom message handling and processing.
Field Summary | |
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protected IntPtr |
_lParam
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protected IntPtr |
_lResult
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protected com.jniwrapper.UInt |
_msg
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protected Wnd |
_wnd
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protected IntPtr |
_wParam
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Fields inherited from class com.jniwrapper.Callback |
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m |
Fields inherited from class com.jniwrapper.Parameter |
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LICENSE_TYPE, V |
Constructor Summary | |
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WindowProc()
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WindowProc(Wnd wnd)
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Method Summary | |
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void |
addMessageListener(WindowMessageListener listener)
Adds a specified window message listener. |
void |
callback()
|
Wnd |
getWnd()
|
boolean |
isSubstituted()
Checks if native window procedure is substituted. |
void |
removeMessageListener(WindowMessageListener listener)
Removes a specified listener. |
void |
restoreNative()
Restores the window native procedure and disables custom message handling. |
void |
setWnd(Wnd wnd)
|
void |
substitute()
Substitutes a custom window procedure to enable window message handling. |
Methods inherited from class com.jniwrapper.Callback |
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Methods inherited from class com.jniwrapper.Parameter |
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a, a, acceptIOPerformer, asReturnValue, b, dataBufferAssigned, equals, getAlignedLength, getAlignmentRequirement, getDataBuffer, getDataBufferOffset, hashCode, indent, pop, push, read, read, setDataBuffer, toByteArray, write |
Methods inherited from class java.lang.Object |
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finalize, getClass, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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protected Wnd _wnd
protected com.jniwrapper.UInt _msg
protected IntPtr _wParam
protected IntPtr _lParam
protected IntPtr _lResult
Constructor Detail |
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public WindowProc(Wnd wnd)
wnd
- is a handle of the window whose window procedure can be
substituted.public WindowProc()
Method Detail |
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public void callback()
callback
in class com.jniwrapper.Callback
public void addMessageListener(WindowMessageListener listener)
listener
- public void removeMessageListener(WindowMessageListener listener)
listener
- public void substitute()
Remember to call restoreNative()
method to avoid problems during closing a window.
java.lang.RuntimeException
- if fails to substitute window procedure, for example, when trying to
substitute procedure of a window, which was created by another process.public void restoreNative()
substitute()
method.
public boolean isSubstituted()
public Wnd getWnd()
public void setWnd(Wnd wnd)
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