As title, online have take Listview content of c + + code, can take to, but want to external application sends a message, make the Listview first record your choice

CodePudding user response:

USES CommCtrl;

Var
Item: TLVItem;
The begin
P:=VirtualAllocEx...//in the target process allocates memory
Item. StateMask:=LVIS_SELECTED;
Item. The state:=LVIS_SELECTED;
WriteProcessMemory...//will copy to the target Item data in this process the position p
SendMessage (hwndLV ListView handle} {goals, LVM_SETITEMSTATE, 0 {} article 1 records, Integer (p))
end;

CodePudding user response:

Refer to the
http://blog.csdn.net/xuplus/article/details/2294362

CodePudding user response:

The composite modified, http://blog.csdn.net/xuplus/article/details/2294362
Use the task manager test by

 
USES Commctrl; 

//search window SysListView32 

The function MyFindWindow: THandle; 
Const 
//parent window class name array 
A_szClassName: array [0.. 2] of PChar=(
'# 32770, 
'# 32770, 
'SysListView32' 
); 
//parent window title array 
A_szWinName: array [0.. 2] of PChar=(
'Windows task manager, 
"', 
'task' 
); 
Var 
I: Integer; 
HLastWin: THandle; 
The begin 
//top first obtained parent window 
HLastWin:=FindWindow (A_szClassName [0], A_szWinName [0]). 
//successive FindWindowEx function to find the child window at all levels 
For I:=1 to 2 do 
The begin 
HLastWin:=FindWindowEx (hLastWin THandle (nil), 
A_szWinName A_szClassName [I], [I]); 
end; 
Result:=hLastWin; 
end; 

Procedure TForm1. SetItemSelected (nItemIndex: Integer); 
Var 
LVI_1: TLVItemA; 
PLVI_2: PLVItemA; 
NRet: LongBool; 
TagPId: DWORD; 
TagPHandle: THandle; 
TagHwnd: THandle; 
LpNumOfBytesW: Cardinal; 
The begin 
TagPId:=0; 
TagPHandle:=0; 
TagHwnd:=0; 
LpNumOfBytesW:=0; 

TagHwnd:=FindWindow (' # 32770 ', 'Windows task manager). 
If tagHwnd & lt; 1 then 
The Exit; 

Try 
GetWindowThreadProcessId (tagHwnd, @ tagPId);//get the process ID 
TagPHandle:=OpenProcess (
PROCESS_ALL_ACCESS, False, tagPId);//handle to obtain process 
Except, 
The CloseHandle (tagPHandle); 
end; 

Try 
//apply to the process of target remote memory space 
PLVI_2:=VirtualAllocEx (
TagPHandle, nil, SizeOf (TLVItemA), MEM_COMMIT, PAGE_READWRITE); 
Assert ((pLVI_2 & lt;> Nil), 'remote memory application failure); 

LVI_1. Mask:=LVIF_STATE; 
LVI_1. ISubItem:=0; 
LVI_1. State:=LVIS_SELECTED or LVIS_FOCUSED; 
LVI_1. StateMask:=LVIS_SELECTED or LVIS_FOCUSED; 

NRet:=WriteProcessMemory (//will be written to the target process in the process of the local structure 
TagPHandle pLVI_2, @ LVI_1, SizeOf (TLVItemA), lpNumOfBytesW); 
Assert ((nRet), 'target process writing failure); 

TagHwnd:=MyFindWindow; 
If tagHwnd & lt; 1 then 
The Exit; 
SendMessage (tagHwnd LVM_SETITEMSTATE, Integer (nItemIndex), 
Integer (pLVI_2)); 
Except, 
VirtualFreeEx (tagPHandle, nil, SizeOf (PLVItem), MEM_FREE); 
end; 

The CloseHandle (tagPHandle); 
VirtualFreeEx (tagPHandle, nil, SizeOf (PLVItem), MEM_FREE); 
end; 



//do test with XP's task manager 
Procedure TForm1. Btn1Click (Sender: TObject); 
The begin 
//select the task manager - & gt; Under the application of item 2, 
SetItemSelected (1); 
end; 

CodePudding user response:

reference 1st floor s11ss response:

USES CommCtrl;

Var
Item: TLVItem;
The begin
P:=VirtualAllocEx...//in the target process allocates memory
Item. StateMask:=LVIS_SELECTED;
Item. The state:=LVIS_SELECTED;
WriteProcessMemory...//will copy to the target Item data in this process the position p
SendMessage (hwndLV ListView handle} {goals, LVM_SETITEMSTATE, 0 {} article 1 records, Integer (p))
end;

You say I can realize it is grey selected, rather than a normal we write their own kind of blue light, I do not want to heightening selected when clicking there could be an edit box shows its value, but I use Sendmessage send selected just gray tone and edit no reaction,

CodePudding user response:

Q296361388

reference 4 floor response:

Quote: refer to 1st floor s11ss response:

USES CommCtrl;

Var
Item: TLVItem;
The begin
P:=VirtualAllocEx...//in the target process allocates memory
Item. StateMask:=LVIS_SELECTED;
Item. The state:=LVIS_SELECTED;
WriteProcessMemory...//will copy to the target Item data in this process the position p
SendMessage (hwndLV ListView handle} {goals, LVM_SETITEMSTATE, 0 {} article 1 records, Integer (p))
end;

You say I can realize now is selected, gray rather than a normal we write their own kind of blue light, I do not want to heightening selected when clicking there could be an edit box shows its value, but I use Sendmessage send selected just gray tone and edit no reaction,

LVM_EDITLABEL