Fixed some graphical problems of the treeview and added support LMB

dlls/comctl32/imagelist.c

@@ -894,7 +894,7 @@ ImageList_DrawIndirect (IMAGELISTDRAWPARAMS *pimldp)
 	return FALSE;
     if (pimldp->himl == NULL)
 	return FALSE;
-    if ((pimldp->i < 0) || (pimldp->i >= pimldp->himl->cCurImage))
+    if ((pimldp->i < 0) || (pimldp->i > pimldp->himl->cCurImage))
 	return FALSE;
 
     himlLocal = pimldp->himl;

include/treeview.h

@@ -30,7 +30,6 @@ typedef struct {
   int       iIntegral;
   int       iLevel;         /* indentation level:0=root level */
   COLORREF  clrText;
-	
   HTREEITEM parent;         /* handle to parent or 0 if at root*/
   HTREEITEM firstChild;     /* handle to first child or 0 if no child*/
   HTREEITEM sibling;        /* handle to next item in list, 0 if last */
@@ -38,10 +37,10 @@ typedef struct {
   int       visible;
   RECT      rect;
   RECT      text;
+  RECT      expandBox;      /* expand box (+/-) coordinate */
 } TREEVIEW_ITEM;
 
 
-
 typedef struct tagTREEVIEW_INFO
 {
   UINT          uInternalStatus;    
@@ -52,9 +51,8 @@ typedef struct tagTREEVIEW_INFO
   HTREEITEM     uMaxHandle;     /* needed for delete_item */
   HTREEITEM     TopRootItem;    /* handle to first item in treeview */
   INT           cdmode;         /* last custom draw setting */
-
   UINT          uItemHeight;    /* item height, -1 for default item height */
-	UINT 	uRealItemHeight;	/* current item height in pixels */
+  UINT          uRealItemHeight;/* current item height in pixels */
   UINT          uVisibleHeight; /* visible height of treeview in pixels */
   UINT          uTotalHeight;   /* total height of treeview in pixels */
   UINT          uVisibleWidth;      
@@ -75,14 +73,12 @@ typedef struct tagTREEVIEW_INFO
   HWND          hwndToolTip;
   HWND          hwndEdit;
   WNDPROC       wpEditOrig;     /* needed for subclassing edit control */
-
   HIMAGELIST    himlNormal;  
   HIMAGELIST    himlState;
   TREEVIEW_ITEM *items;        /* itemlist */
   INT           *freeList;     /* bitmap indicating which elements are valid */
                                /* 1=valid, 0=free;   */
                                /* size of list= uNumPtrsAlloced/32 */
-
 } TREEVIEW_INFO;