如何解决powershell 重新打开子窗体
我正在 PowerShell 中编写我的第一个子表单。当我通过一切编写代码时,一切都完美无缺。当我通过窗口中的 x 关闭子窗体然后重新打开它时,我收到错误:
异常设置“可见”:“无法访问已处理的对象。 对象名称:'表格'。” 在行:5 字符:5 $ExampleForm.visible = $true ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : NotSpecified: (:) [],SetValueInvocationException + FullQualifiedErrorId : ExceptionWhenSetting
我的代码如下:
function TestFunction
{
$ExampleForm.enabled = $true
$ExampleForm.visible = $true
}
$Form = New-Object system.Windows.Forms.Form
$Form.Size = New-Object System.Drawing.Size(1050,425)
$form.MaximizeBox = $false
$Form.StartPosition = "CenterScreen"
$Form.FormBorderStyle = 'Fixed3D'
$Form.Text = "Test Form"
$ExampleForm = New-Object system.Windows.Forms.Form
$ExampleForm.Size = New-Object System.Drawing.Size(550,425)
$ExampleForm.MaximizeBox = $false
$ExampleForm.StartPosition = "CenterScreen"
$ExampleForm.FormBorderStyle = 'Fixed3D'
$ExampleForm.Text = "Example"
$ExampleForm.Visible = $False
$TestButton = new-object System.Windows.Forms.Button
$TestButton.Location = new-object system.drawing.size(401,140)
$TestButton.Size = new-object system.drawing.size(80,50)
$TestButton.Text = "Test"
$TestButton.Add_Click({TestFunction})
$TestButton.TabIndex = 33
$Form.Controls.Add($TestButton)
$Form.ShowDialog()
我做错了什么???
解决方法
您每次都需要创建一个新表单:
function TestFunction
{
$ExampleForm = New-Object System.Windows.Forms.Form
$ExampleForm.Size = New-Object System.Drawing.Size(550,425)
$ExampleForm.MaximizeBox = $false
$ExampleForm.StartPosition = "CenterScreen"
$ExampleForm.FormBorderStyle = 'Fixed3D'
$ExampleForm.Text = "Example"
# ShowDialog will prevent re-focusing on parent form until this one closes
[void]$ExampleForm.ShowDialog()
# If you don't want this modal behavior,use `Show()` instead:
# [void]$ExampleForm.Show()
}
$Form = New-Object System.Windows.Forms.Form
$Form.Size = New-Object System.Drawing.Size(1050,425)
$Form.MaximizeBox = $false
$Form.StartPosition = "CenterScreen"
$Form.FormBorderStyle = 'Fixed3D'
$Form.Text = "Test Form"
$TestButton = New-Object System.Windows.Forms.Button
$TestButton.Location = New-Object System.Drawing.Size(401,140)
$TestButton.Size = New-Object System.Drawing.Size(80,50)
$TestButton.Text = "Test"
$TestButton.add_Click({TestFunction})
$TestButton.TabIndex = 33
$Form.Controls.Add($TestButton)
$Form.ShowDialog()
版权声明:本文内容由互联网用户自发贡献,该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容, 请发送邮件至 dio@foxmail.com 举报,一经查实,本站将立刻删除。