因此,我尝试在 ShellExecute 中使用变量,但在编译时总是出现此错误[DCC Error] Unit1.pas(44): E2010 不兼容类型:'string' 和 'PWideChar'
我只有 2 个变量,它们都是字符串 ssid
和 pass
错误所在行为:ShellExecute(0, nil, 'cmd.exe', '/c netsh wlan setHostednetwork ssid=' + ssid 'key=' + pass, nil, HIDE_WINDOW);
如果您现在已经注意到,我正在尝试制作一个使用 cmd 来设置、停止和启动热点的程序。如果我使用此行 ShellExecute(0, nil, 'cmd.exe', '/c netsh wlan setHostednetwork ssid=VirtualRouter key=12345678', nil, HIDE_WINDOW);
它工作得很好。
项目代码:
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, ShellAPI, StdCtrls;
type
TSSID = class(TForm)
lblSSID: TLabel;
edtSSID: TEdit;
lblPASS: TLabel;
edtPASS: TEdit;
btnConfig: TButton;
btnStart: TButton;
btnRestart: TButton;
btnStop: TButton;
lblname: TLabel;
lblname2: TLabel;
procedure btnConfigClick(Sender: TObject);
procedure btnStartClick(Sender: TObject);
procedure btnStopClick(Sender: TObject);
procedure btnRestartClick(Sender: TObject);
private
{ Private declarations }
public
ssid: String;
pass: String;
end;
var
SSID: TSSID;
implementation
{$R *.dfm}
procedure TSSID.btnConfigClick(Sender: TObject);
begin
ssid := edtSSID.Text;
pass := edtPASS.Text;
lblname2. Caption := edtSSID.Text;
ShellExecute(0, nil, 'cmd.exe', '/c netsh wlan set hostednetwork ssid=' + ssid 'key=' + pass, nil, HIDE_WINDOW);
end;
procedure TSSID.btnRestartClick(Sender: TObject);
begin
ShellExecute(0, nil, 'cmd.exe', '/c netsh wlan stop hostednetwork', nil, HIDE_WINDOW);
ShellExecute(0, nil, 'cmd.exe', '/c netsh wlan start hostednetwork', nil, HIDE_WINDOW);
end;
procedure TSSID.btnStartClick(Sender: TObject);
begin
ShellExecute(0, nil, 'cmd.exe', '/c netsh wlan start hostednetwork', nil, HIDE_WINDOW);
end;
procedure TSSID.btnStopClick(Sender: TObject);
begin
ShellExecute(0, nil, 'cmd.exe', '/c netsh wlan stop hostednetwork', nil, HIDE_WINDOW);
end;
end.
有什么帮助吗?谢谢。是的,我是德尔福的新人,如果我想做的事情不起作用,我很抱歉
最佳答案
'/c netsh wlan set hostednetwork ssid=' + said 'key=' + pass
这缺少一个+
,而你真正的意思是:
'/c netsh wlan set hostednetwork ssid=' + said + 'key=' + pass
此表达式的类型为字符串,但 ShellExecute
期望提供一个 PChar
类型的参数。将字符串转换为 PChar
,如下所示:
PChar('/c netsh wlan set hostednetwork ssid=' + ssid + 'key=' + pass)
关于delphi - E2010 不兼容类型 : 'string' and 'PWideChar' ,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/38900012/